Nissan Maxima Service and Repair Manual: U1227 AV control unit

U121D AV control unit

DTC Logic Diagnosis Procedure 1.CHECK PLAYBACK OF A DISK (CD) U121E AV CONTROL UNIT DTC Logic Diagnosis Procedure 1.CHECK PLAYBACK OF A DISK (CD) U1225 AV CONTROL UNIT DTC Logic DTC DETEC ...

U122A AV control unit

DTC Logic Diagnosis Procedure 1.PERFORM THE SELF-DIAGNOSIS When U122A is detected, write configuration data with "MULTI AV" of CONSULT. U122E AV CONTROL UNIT DTC Logic DTC DETECTION LOGIC ...

Other materials:

P1078, P1084 EVT control position sensor
Description Exhaust valve timing control position sensor detects the concave groove of the exhaust camshaft rear end. This sensor signal is used for sensing a position of the exhaust camshaft. This sensor uses a Hall IC. Based on the position of the exhaust camshaft, ECM controls e ...

P0031, P0032, P0051, P0052 A/F sensor 1 heater
Description SYSTEM DESCRIPTION The ECM performs ON/OFF duty control of the A/F sensor 1 heater corresponding to the engine operating condition to keep the temperature of A/F sensor 1 element within the specified range. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PR ...

B2098 ignition relay on stuck
DTC Logic DTC DETECTION LOGIC 1.PERFORM DTC CONFIRMATION PROCEDURE Turn the power supply position to start under the following conditions and wait for at least 1 second. CVT selector lever is in the P (Park) or N (Neutral) position. Depress the brake pedal Check "Self-diag ...